/Engine/Plugins/Enterprise/DataprepEditor/Source/DataprepCore/Public/SelectionSystem/DataprepFetcher.h
The Dataprep fetcher is a base class for Dataprep Selection system. The responsibility of fetcher is return a certain type of data for a object. (Look at DataprepStringFetcher for a example) This abstract base class exist currently for the discovery process, some compile time validation and to propagateUDataprepParameterizableObject
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Abstract) class UDataprepFetcher : public [UDataprepParameterizableObject](API\Plugins\DataprepCore\UDataprepParameterizableObject)